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. 2026 Mar 25;16:9969. doi: 10.1038/s41598-026-45511-3

Table 3.

Ratios of minerals to KBr powder used for FTIR analysis.

Mixing ratio: sample: KBr 1:50 (2 mg sample per 98 mg KBr) 1:100 (1 mg sample per 99 mg KBr) 1:200 (mg sample per 199 mg KBr)
Sample Vermiculite Montmorillonite Kaolin
Biotite Sipernat50 Illite
Olivine rice husk
Sipernat310
Aerosil300
natural ASi